13
WIRING DIAGRAMS
N S L L N GND N S L GND
Ground Ground
115-1-60 Low  V DC 115-1-60 115-1-60 115-1-60 115-1-60 Low  V DC 115-1-60
38GV/40GV 9K~12K 115-1-60 Connection Diagram
38GV 9K~12K Outdoor Unit Terminal Block
CONNECTING CABLE 
OUTDOOR TO INDOOR
Pow e r 
from 
Outdoor 
Unit
Pow e r 
from 
Outdoor 
Unit
Control 
from 
Outdoor  
Unit
40GV 9K~12K  Indoor Unit Terminal Block
L2 S L1 GND L2 S L1 GND
Ground Ground
208/230-1-60 Low  V DC 208/230-1-60 208/230-1-60 Low  V DC 208/230-1-60
L2 L1 GND
Ground
208/230-1-60 208/230-1-60
38GV 12K Outdoor Unit Terminal Block
40GV 12K  Indoor Unit Terminal Block
CONNECT ING CA BL E 
OUTDOOR TO INDOOR
38GV/40GV 12K 208/230-1-60 Connection Diagram
Control 
from 
Outdoor Unit
L2 S L1 L1 L2 GND L2 S L1 GND
Ground Ground
208/230-1-60 Low  V DC 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60 Low  V DC 208/230-1-60
38GV 18K~36K Outdoor Unit Terminal Block
Control 
from  
Outdoor 
Unit
40GV 18K~36K  Indoor Unit Terminal Block
38GV/40GV 18K~36K 208/230-1-60 Connection Diagram
CONNECT ING CABLE 
OUTDOOR TO INDOOR
Pow e r fr om 
Outdoor 
Unit
Pow e r fr om 
Outdoor 
Unit
NOTE: Polarity of power wires must match original connection on outdoor unit.
A12542
Fig. 26 --- Unit Wiring Diagrams